3^2
Here’s the working out;
Answer:
see the explanation
Step-by-step explanation:
we know that
A mixed number is the sum of a integer and a fractional part
we have

so


substitute

Group terms



Answer:
56
Step-by-step explanation:
(-2)(-4)(-1)(-7)(1) =
(8)(-1)(-7)(1) =
(-8)(-7)(1) =
(56)(1) = 56
hope this helps
have a good day
Answer:
11/132 = 1/12
Step-by-step explanation:
just put the rise over the run and simplify
Each book is 2.4cm thick; that means if you're stacking books on top of each other, that is, on their sides, each book will be 2.4 cm tall. multiply the length of each book (2.4cm) by 21 to figure out how tall 21 books together will be. 2.4 x 21 = 50.4. the shelf needs to be at least 50.4cm tall.